package com.dlj.shirospringboot.config;

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @author lijiedong
 * @version 1.0
 * @date 2020/12/3 15:41
 */
@Configuration
public class ShiroConfig {
    //ShiroFiletrFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        // 设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        // 添加shiro的内置过滤器
        /**
         * anon：无需认证就可以访问
         * authc：必须认证了才能访问
         * user：必须拥有记住我功能才能用
         * perms：拥有对某个资源的权限才能访问
         * role：拥有某个角色的权限才能访问
         */
        Map<String, String> filterMap=new LinkedHashMap<>();

        filterMap.put("/user/add","authc");
        filterMap.put("/user/update","authc");
        // 授权,正常情况下，没有授权会跳转到未授权页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");
        //logout是shiro提供的过滤器
        filterMap.put("/logout", "logout");
        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        // 未授权页面
        bean.setUnauthorizedUrl("/noauth");

        return bean;
    }

    // DefalutWebSecurityManager
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("getUserRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(userRealm);
        // 关联UserRealm
        return securityManager;
    }
    // 创建Realm对象，需要自定义
    @Bean("getUserRealm")
    public UserRealm getUserRealm() {
        return new UserRealm();
    }
}
